Air Conditioning and Heating  
Sales, Service, Repair 
Houston, Katy, Richmond, Sugarland Areas
18 months - No Interest Financing Available!
$25 off Heater Check with mention of this website


 DD Mechanical Services Air Conditioning and Heating

  Air Conditioning, Heating and Air Purification Systems

 Houston, Katy, Sugarland, Richmond


 Toll Free 1-866-590-6095




  Air Conditioning Repair All Makes and Models 

  1.   14 SEER Through
  2.  20 SEER Communicating Air Conditioners and Heating Systems

95% AFUE Condensating Furnaces


               We are  American Standard, Trane, Ruud, Lennox ,Carrier ,RGF and Global Plasma Solutions Dealers




Offering the Best HVAC Services!

  • Condensors,Furnaces and Heaters
  • Zoned Systems
  • Service
  • Filtration Systems
  • Preventive Maintenance Agreements
  • Enhanced A.C. Performance Check Ups in Association with Centerpoint Energy 
  • Blown in insulation
  • Radient Barrier


  • Brand Names We Sell

  • We Repair all Makes and Models
  • Warranties
    • Up to 10 years Parts and Labor
    • Lifetime Heat Exchanger
Air-conditioning - Contact our heating and air-conditioning company in Katy, Texas, to set up an appointment for heating, air-conditioning, or water furnace sales, installation, or repair!

Contact our Heating and Air-conditioning company , to set up an appointment
for Heating, Air-conditioning,Indoor Air Quality or Water Heater sales, installation, or repair!
Nember of BBB Since 1997
Texas Air Conditioner Contractors Association
Plumbers,Air Conditioner and Mechanical Contractor's Association
Service Area:
Houston • Katy • Fort Bend • Austin County • Harris County
Monday–Friday, 8 a.m.–6 p.m.
Saturday, 8 a.m.–12 p.m.
24 Hour  Emergency Service

  • Home About Us  Testimonials• Products •Financing/Services  Fall Update • Location •  Contact Us


    *Financing with approved credit 

    Offering Residential & Commercial Repair/Service/Installation: Air Conditioning (A/C) and Heating Systems Service / Repair /Installation including: Energy Star systems, Furnace, Water Heater, L.P. Gas,  Propane, Purifiers,  
    Air Filtration/ Filters/ Purification for improved Air Quality.
    Serving Texas: Houston TX, Katy TX, Sugarland TX, Fulshear TX, Bellville TX, Bookshire TX, Waller TX, Richmond/Rosenberg, TX.
    Brands include: Frigidaire, Trane, American Standard, RUUD, Carrier, Lennox,  Weatherking.


*  With Approved Credit